Finding the Fourth Proportional to 79,273.40, 109,397.72 and 47,434.46

Step by Step Solution

1. Step 1: Write the proportion equation
   79,273.40 : 109,397.72 = 47,434.46 : x
2. Step 2: Convert to fraction form
   79,273.40/109,397.72 = 47,434.46/x
3. Step 3: Cross multiply
   79,273.40x = 109,397.72 × 47,434.46
4. Step 4: Simplify right side
   79,273.40x = 5,189,221,345.03
5. Step 5: Solve for x
   x = 5,189,221,345.03/79,273.40
6. Step 6: Final answer
   x = 65,459.81